Infusion pump



FIG. 1 is a perspective view of an infusion pump showing our new design;

FIG. 2 a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings illustrate portions of the infusion pump which form no part of the claimed design. 

CLAIM The ornamental design for an infusion pump, as shown and described. 